{"id":103524,"date":"2025-03-28T12:13:54","date_gmt":"2025-03-28T07:43:54","guid":{"rendered":"https:\/\/nabfollower.com\/blog\/harmonyos-next-practical-countdown-community-dev\/"},"modified":"2025-03-28T12:13:54","modified_gmt":"2025-03-28T07:43:54","slug":"harmonyos-next-practical-countdown-community-dev","status":"publish","type":"post","link":"https:\/\/nabfollower.com\/blog\/harmonyos-next-practical-countdown-community-dev\/","title":{"rendered":"Harmonyos Next Practical: Countdown – Community Dev"},"content":{"rendered":"
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\u0647\u062f\u0641: \u0639\u0645\u0644\u06a9\u0631\u062f \u0634\u0645\u0627\u0631\u0634 \u0645\u0639\u06a9\u0648\u0633 \u0631\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f<\/p>\n

\u0646\u06a9\u0627\u062a \u062f\u0627\u0646\u0634:
TextTimer \u0645\u0624\u0644\u0641\u0647 \u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0632\u0645\u0627\u0646 \u0628\u0646\u062f\u06cc \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0645\u062a\u0646 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u0648 \u0648\u0636\u0639\u06cc\u062a \u062a\u0627\u06cc\u0645\u0631 \u0622\u0646 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc \u06a9\u0646\u062f.
\u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0624\u0644\u0641\u0647 \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0646\u0628\u0627\u0634\u062f \u060c \u062a\u063a\u06cc\u06cc\u0631\u0627\u062a \u0632\u0645\u0627\u0646 \u0645\u062a\u0648\u0642\u0641 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0648\u0636\u0639\u06cc\u062a \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0627\u06cc\u0646 \u0645\u0624\u0644\u0641\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 OnvisibleareArachange \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u06cc \u0634\u0648\u062f. \u0646\u0633\u0628\u062a \u0622\u0633\u062a\u0627\u0646\u0647 \u0645\u0631\u0626\u06cc \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 0 \u0642\u0627\u0628\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0627\u0633\u062a.<\/p>\n

\u0631\u0627\u0628\u0637<\/p>\n

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TextTimer(options?: TextTimerOptions)\n<\/code><\/pre>\n
\n
\n    \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u0631\u0627 \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n
    \u0627\u0632 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645 \u0635\u0641\u062d\u0647 \u062e\u0627\u0631\u062c \u0634\u0648\u06cc\u062f<\/title>\n    \n<\/svg><\/p>\n<\/div>\n<\/div>\n<\/div>\n
\u06af\u0632\u06cc\u0646\u0647 \u0647\u0627 parameters \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0645\u0624\u0644\u0641\u0647 \u0627\u06cc \u06a9\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0632\u0645\u0627\u0646 \u0628\u0646\u062f\u06cc \u0631\u0627 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0645\u062a\u0646 \u0646\u0645\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u0646\u062f \u0648 \u0648\u0636\u0639\u06cc\u062a \u062a\u0627\u06cc\u0645\u0631 \u0622\u0646 \u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n
\u062a\u0637\u0627\u0628\u0642 \u0645\u062a\u0646<\/p>\n
    \n
  • iscountdown: \u0634\u0645\u0627\u0631\u0634 \u0645\u0639\u06a9\u0648\u0633 \u06cc\u0627 \u0646\u0647. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u0635\u062d\u06cc\u062d \u0627\u0633\u062a \u060c \u062a\u0627\u06cc\u0645\u0631 \u0634\u0631\u0648\u0639 \u0628\u0647 \u0634\u0645\u0627\u0631\u0634 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u0627\u0632 30 \u062b\u0627\u0646\u06cc\u0647 \u0628\u0647 0 \u062b\u0627\u0646\u06cc\u0647. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u0646\u0627\u062f\u0631\u0633\u062a \u0627\u0633\u062a \u060c \u062a\u0627\u06cc\u0645\u0631 \u0634\u0631\u0648\u0639 \u0628\u0647 \u0634\u0645\u0627\u0631\u0634 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0627\u0632 0 \u062b\u0627\u0646\u06cc\u0647 \u062a\u0627 30 \u062b\u0627\u0646\u06cc\u0647. \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636: \u0646\u0627\u062f\u0631\u0633\u062a<\/li>\n
  • \u062a\u0639\u062f\u0627\u062f: \u0632\u0645\u0627\u0646 \u062a\u0627\u06cc\u0645\u0631 (\u0645\u0648\u062b\u0631 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0635\u062d\u062a ISCountdown) \u060c \u062f\u0631 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06af\u06cc\u0631\u06cc \u0645\u06cc \u0634\u0648\u062f. \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u062f\u062a \u0632\u0645\u0627\u0646 \u0646\u0628\u0627\u06cc\u062f \u0627\u0632 86400000 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647 (24 \u0633\u0627\u0639\u062a) \u062a\u062c\u0627\u0648\u0632 \u06a9\u0646\u062f. \u0648\u0642\u062a\u06cc 0\n
  • \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647: \u06a9\u0646\u062a\u0631\u0644\u0631 TextTimer.<\/li>\n
    <\/count><\/li>\n<\/ul>\n
    \u0645\u062a\u0646\u0627\u0633\u0628 \u0628\u0627 \u0645\u062a\u0646
    \u0627\u0632 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0645\u0624\u0644\u0641\u0647 TextTimer \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062a\u0627\u06cc\u0645\u0631 \u0645\u062a\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f. \u06cc\u06a9 \u0645\u0624\u0644\u0641\u0647 TextTimer \u0641\u0642\u0637 \u0627\u0632 \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u06cc\u06a9 \u06a9\u0646\u062a\u0631\u0644\u0631 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644 \u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647 \u0641\u0642\u0637 \u067e\u0633 \u0627\u0632 \u0627\u06cc\u062c\u0627\u062f \u0645\u0624\u0644\u0641\u0647 \u0642\u0627\u0628\u0644 \u0641\u0631\u0627\u062e\u0648\u0627\u0646\u06cc \u0627\u0633\u062a.<\/p>\n
    \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0645\u062a\u0646<\/p>\n
      \n
    • \u062a\u0639\u062f\u0627\u062f: \u0632\u0645\u0627\u0646 \u062a\u0627\u06cc\u0645\u0631 (\u0645\u0648\u062b\u0631 \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0635\u062d\u062a ISCountdown) \u060c \u062f\u0631 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06af\u06cc\u0631\u06cc \u0645\u06cc \u0634\u0648\u062f. \u062d\u062f\u0627\u06a9\u062b\u0631 \u0645\u062f\u062a \u0632\u0645\u0627\u0646 \u0646\u0628\u0627\u06cc\u062f \u0627\u0632 86400000 \u0645\u06cc\u0644\u06cc \u062b\u0627\u0646\u06cc\u0647 (24 \u0633\u0627\u0639\u062a) \u062a\u062c\u0627\u0648\u0632 \u06a9\u0646\u062f. \u0648\u0642\u062a\u06cc 0\n
    • iscountdown: \u0634\u0645\u0627\u0631\u0634 \u0645\u0639\u06a9\u0648\u0633 \u06cc\u0627 \u0646\u0647. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u0635\u062d\u06cc\u062d \u0627\u0633\u062a \u060c \u062a\u0627\u06cc\u0645\u0631 \u0634\u0631\u0648\u0639 \u0628\u0647 \u0634\u0645\u0627\u0631\u0634 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u060c \u0627\u0632 30 \u062b\u0627\u0646\u06cc\u0647 \u0628\u0647 0 \u062b\u0627\u0646\u06cc\u0647. \u0647\u0646\u06af\u0627\u0645\u06cc \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 \u0646\u0627\u062f\u0631\u0633\u062a \u0627\u0633\u062a \u060c \u062a\u0627\u06cc\u0645\u0631 \u0634\u0631\u0648\u0639 \u0628\u0647 \u0634\u0645\u0627\u0631\u0634 \u0645\u06cc \u06a9\u0646\u062f \u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644 \u0627\u0632 0 \u062b\u0627\u0646\u06cc\u0647 \u062a\u0627 30 \u062b\u0627\u0646\u06cc\u0647. \u0645\u0642\u062f\u0627\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636: \u0646\u0627\u062f\u0631\u0633\u062a<\/li>\n
    • \u0634\u0631\u0648\u0639 \u0634\u062f\u0647: \u0622\u06cc\u0627 \u062a\u0627\u06cc\u0645\u0631 \u0634\u0631\u0648\u0639 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n
    • ElapsedTime: \u0632\u0645\u0627\u0646 \u0633\u067e\u0631\u06cc \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u062a\u0627\u06cc\u0645\u0631 \u060c \u062f\u0631 \u06a9\u0648\u0686\u06a9\u062a\u0631\u06cc\u0646 \u0648\u0627\u062d\u062f \u0641\u0631\u0645\u062a \u0634\u062f\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06af\u06cc\u0631\u06cc \u0645\u06cc \u0634\u0648\u062f.<\/li>\n
      <\/count><\/li>\n<\/ul>\n
      \u0648\u06cc\u0698\u06af\u06cc TextTimer<\/p>\n
        \n
      • \u0642\u0627\u0644\u0628: \u06cc\u06a9 \u0642\u0627\u0644\u0628 \u0633\u0641\u0627\u0631\u0634\u06cc \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062d\u062f\u0627\u0642\u0644 \u06cc\u06a9 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc \u0631\u0627 \u0627\u0632 HH \u060c MM \u060c SS \u060c SS \u0634\u0627\u0645\u0644 \u0634\u0648\u062f. \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0642\u0627\u0644\u0628 \u0647\u0627\u06cc \u062a\u0627\u0631\u06cc\u062e \u0645\u0627\u0646\u0646\u062f YY \u060c MM \u060c DD \u0648 \u063a\u06cc\u0631\u0647 \u060c \u0627\u0632 \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f.<\/li>\n
      • TextShadow: \u0627\u062b\u0631 \u0633\u0627\u06cc\u0647 \u0645\u062a\u0646 \u0631\u0627 \u062a\u0646\u0638\u06cc\u0645 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637 \u0627\u0632 \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627 \u062f\u0631 \u0641\u0631\u0645 \u0622\u0631\u0627\u06cc\u0647 \u0648 \u0627\u062c\u0631\u0627\u06cc \u0686\u0646\u062f\u06cc\u0646 \u0633\u0627\u06cc\u0647 \u0645\u062a\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u06cc \u06a9\u0646\u062f. \u0627\u0632 \u0632\u0645\u06cc\u0646\u0647 \u0647\u0627\u06cc \u067e\u0631 \u06a9\u0631\u062f\u0646 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0646\u06a9\u0646\u06cc\u062f \u060c \u0627\u0632 \u062d\u0627\u0644\u062a \u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0631\u0646\u06af \u0647\u0648\u0634\u0645\u0646\u062f \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0646\u06a9\u0646\u06cc\u062f.<\/li>\n
      • ContentModifier: \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u0634\u062e\u0635\u06cc \u0633\u0627\u0632\u06cc \u0645\u0646\u0637\u0642\u0647 \u0645\u062d\u062a\u0648\u0627\u06cc TextTimer. \u062f\u0631 \u0645\u0624\u0644\u0641\u0647 TextTimer \u060c \u0631\u0648\u0634 \u0645\u0646\u0637\u0642\u0647 \u0645\u062d\u062a\u0648\u0627 \u0631\u0627 \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0646\u06cc\u062f.<\/li>\n<\/ul>\n
        \u0645\u0628\u0627\u0631\u0632\u0647 \u0648\u0627\u0642\u0639\u06cc: \u0634\u0645\u0627\u0631\u0634 \u0645\u0639\u06a9\u0648\u0633<\/p>\n
        \n
        @Entry\n@Component\nstruct CountdownDemoPage {\n  textTimerController: TextTimerController = new TextTimerController()\n  @State format: string = 'mm:ss.SS'\n  @State isStart: boolean = false\n\n  build() {\n    Column({ space: 10 }) {\n      Text('\u5012\u8ba1\u65f6Demo')\n      TextTimer({ isCountDown: true, count: 30000, controller: this.textTimerController })\n        .format(this.format)\n        .fontColor(Color.Black)\n        .fontSize(50)\n        .onTimer((utc: number, elapsedTime: number) => {\n          console.info('textTimer notCountDown utc is\uff1a' + utc + ', elapsedTime: ' + elapsedTime)\n        })\n      Row({ space: 20 }) {\n        Column({ space: 10 }) {\n          SymbolGlyph(this.isStart ? $r('sys.symbol.pause') : $r('sys.symbol.play_fill'))\n            .fontSize(30)\n            .renderingStrategy(SymbolRenderingStrategy.SINGLE)\n            .fontColor([Color.Black])\n          Text(this.isStart ? '\u6682\u505c' : '\u5f00\u59cb')\n        }\n        .onClick(() => {\n          if (this.isStart) {\n            this.textTimerController.pause()\n          } else {\n            this.textTimerController.start()\n          }\n          this.isStart=!this.isStart\n        })\n\n        Column({ space: 10 }) {\n          SymbolGlyph($r('sys.symbol.arrow_counterclockwise'))\n            .fontSize(30)\n            .renderingStrategy(SymbolRenderingStrategy.SINGLE)\n            .fontColor([Color.Black])\n          Text('\u91cd\u7f6e')\n        }\n        .onClick(() => {\n          this.textTimerController.reset()\n        })\n      }\n    }\n    .width('100%')\n  }\n}\n<\/code><\/pre>\n
        \n
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